What question did this study set out to answer?

To map global research trends, exposure pathways, and ecological risks associated with the tire rubber antioxidant 6PPD and its ozonation byproduct 6PPD-quinone across environmental systems.

August 14, 2026Environmental Pollutants and BioavailabilityOpen Access

Occurrence and environmental fate of 6PPD and 6PPD-quinone in terrestrial and aquatic environments

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Authors

HLHui LiuHohai University TJTianshuo JiaHohai University WWWeimu WangHohai University

Discussion

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Implication

Bibliometric review maps 6PPD and 6PPD-quinone pollution across aquatic and terrestrial systems, highlighting critical research gaps in soil-plant toxicity.

Key Points

To map global research trends, exposure pathways, and ecological risks associated with the tire rubber antioxidant 6PPD and its ozonation byproduct 6PPD-quinone across environmental systems.
Conducted a systematic bibliometric analysis and literature review analyzing 318 published articles.
Evaluated keyword co-occurrence networks, research hotspots, and institutional collaboration networks spanning 545 institutions.
Identified four distinct research clusters focused on toxicological effects, sources, pathways, and environmental fates, with global research output accelerating rapidly since 2020.
Identified China, Germany, and the United States as the top publishing nations, while uncovering major research gaps regarding toxic mechanisms in plant-soil systems.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec6c6b70b84ec8b912eda https://doi.org/10.1080/26395940.2026.2710480

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Implication

Bibliometric review maps 6PPD and 6PPD-quinone pollution across aquatic and terrestrial systems, highlighting critical research gaps in soil-plant toxicity.

Occurrence and environmental fate of 6PPD and 6PPD-quinone in terrestrial and aquatic environments

Discussion

Member takes

Implication

Key Points

Cite This Study

Occurrence and environmental fate of 6PPD and 6PPD-quinone in terrestrial and aquatic environments

Discussion

Member takes

Implication

Key Points

Cite This Study

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